Poundbury Hill

Poundbury Hill hill fort (grid reference SY682911) is the site of a Middle Bronze Age enclosure. It is roughly rectangular and it is likely that it was designed to command views over the River Frome and the Frome valley to the north. The main entrance to the fort is on the eastern end. It overlooks the county town of Dorchester, Dorset, England.

Earthworks at the northwest corner of Poundbury hillfort.

Excavation

It was first excavated in 1938. Details of the fort's serial development were discovered. In the 4th century BC, the banks were faced with timber and a deep V-shaped ditch was dug. The banks were enlarged and strengthened and a limestone revetment was added, in circa 50 BC.

Nearby features

Cemetery

Just outside the fort was a large Romano-British cemetery. The majority of burials date to the late Roman era of the 4th century AD, although the cemetery was in use from the Neolithic times to the Middle Ages. The cemetery, located on the northeast side of the hill fort, was excavated during the 1970s.[1]

The course of the Roman aqueduct, viewed from the northwest corner of Poundbury hillfort

Aqueduct

The northern and eastern sides of the hillfort's outer defences were damaged by the construction of the Roman aqueduct which supplied the settlement of Durnovaria (Dorchester) with fresh water from a reservoir around 4.5 km (2.8 mi) away. The aqueduct terrace, situated on the northeast-facing slope of the Frome valley, has a very slight gradient (averaging 1:1750), achieved by a winding route almost 9 km (5.6 mi) long. This aqueduct (80 cm wide by 30 cm deep) was a small closed channel with clay bottom and wooden sides. It had a wooden cover with a protective covering of soil and grass, to prevent contamination of the water, which was brought from a dam and lake by what is now Littlewood Farm in Frampton. The water was later used for the new town of Dorchester and its public baths. The aqueduct was abandoned in about 160 AD, following the collapse of the reservoir dam in Frampton.

Railway line

The main Dorchester to Yeovil railway line (now called the Heart of Wessex Line) was tunnelled beneath the hill fort, thereby minimising damage to the ramparts. Brunel originally wanted to put the tracks in a cutting through the site, but local outrage at the plan meant that the more expensive tunnel was chosen. The protest against the Poundbury cutting plan also led to the formation of the Dorset archaeological society.

View towards Dorchester along Poundbury hillfort's southern rampart

See also

References
  1. Farwell, P.E. and Molleson, T.I. 1993. Poundbury Volume 2: The Cemeteries. Dorset Natural History and Archaeological Society, Dorchester.

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